import org.apache.spark.sql.SparkSession

object HelloSpark {
  def main(args: Array[String]): Unit = {
    val spark: SparkSession = SparkSession.builder().appName("HelloSpark").master("local[*]").getOrCreate()
    val cnt = spark.sparkContext.makeRDD(Seq("name","b","c"))
//      cnt.map(w=>w.vin).distinct().count()
  }

}
